Helmer iB111 (Version A) Service Manual
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Helmer iB111 (Version A) Service Manual

I.series and horizon series
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Download this manual See also: Service Maintenance Manual, Operating Manual
Refrigerator Service Manual
i.Series
and Horizon Series™
®
Model Group
Blood Bank
Laboratory
Pharmacy
HELMER SCIENTIFIC
14400 Bergen Boulevard
Noblesville, IN 46060 USA
PH +1.317.773.9073
FAX +1.317.773.9082
USA and Canada 800.743.5637
360077-1/O
i.Series
iB111 (Version A)
iB120, iB125, iB245, iB256
(Versions A and B)
iHB111 (Version B)
iHB120, iHB125, iHB245, iHB256
(Versions A and B)
iLR111 (Version A)
iLR120, iLR125, iLR245, iLR256
(Versions A and B)
iPR111 (Version A)
iPR120, iPR125, iPR245, iPR256
(Versions A and B)
Horizon Series
HB111 (Version A)
HB120, HB125, HB245, HB256
(Versions A and B)
HHB111 (Version A)
HHB120, HHB125, HHB245, HHB256
(Versions A and B)
HLR111 (Version A)
HLR120, HLR125, HLR245, HLR256
(Versions A and B)
HPR111 (Version A)
HPR120, HPR125, HPR245, HPR256
(Versions A and B)
0086
ISO 13485:2003 CERTIFIED

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  • Page 1 (Version A) HPR111 (Version A) iPR120, iPR125, iPR245, iPR256 HPR120, HPR125, HPR245, HPR256 (Versions A and B) (Versions A and B) HELMER SCIENTIFIC 14400 Bergen Boulevard Noblesville, IN 46060 USA PH +1.317.773.9073 0086 FAX +1.317.773.9082 USA and Canada 800.743.5637...
  • Page 2 Document History Revision Date Supersession Revision Description O supersedes A, B, C, D, E, F, 01 APR 2014* 9313 Revised layout for ease of navigation and locating information. G, H, I, J, K, L, M, N * Date submitted for Change Order review. Actual release date may vary. 360077-1/O...

  • Page 3: Table Of Contents

    Contents Section I: General Information ........8 1 About this Manual .
  • Page 4 8 Temperature Monitor Settings ..........22 Home Screen .
  • Page 5 10.5 Clean the Refrigerator ..............42 10.5.1 Condenser Grill .
  • Page 6 16.7 Alarm Settings ............... . 74 16.7.1 Alarm Volume .
  • Page 7 20.3 Rear ................97 20.3.1 Electrical Box .
  • Page 8 26 Troubleshooting ............120 26.1 General Operation Problems.

  • Page 9: Section I: General Information

    , i.Center ® , Horizon Series™, and Rel.i™ are registered trademarks or trademarks of Helmer, Inc. in the United States of America. Copyright © 2014 Helmer, Inc. All other trademarks and registered trademarks are the property of their respective owners. Helmer, Inc., doing business as (DBA) Helmer Scientific and Helmer.

  • Page 10: Product Labels

    ► Proceed with caution when adding and removing samples from the refrigerator. ► Use supplied power cord only. ► Using the equipment in a manner not specified by Helmer Scientific may impair the protection provided by the equipment. ► Decontaminate parts prior to sending for service or repair. Contact Helmer Scientific or your distributor for decontamination instructions and a Return Authorization Number.

  • Page 11: Configuration

    Left: Chamber label. Right: Product specification label (located on the rear at lower left). Label Description Model (REF) Serial number (SN) Version Power requirements Control System NOTE Service information varies depending on the control system. Helmer refrigerators have one of three control systems installed. The type of control system varies by model. 360077-1/O...

  • Page 12: I.series Monitoring System And Independent Temperature Controller

    General Information 3.2.1 i.Series Monitoring System and Independent Temperature Controller NOTE This section applies to iB, iHB, iLR, and iPR models. i.Series refrigerators are equipped with the i.Center monitoring system and independent temperature controller. i.Center monitor. Independent temperature controller. 3.2.2 Horizon Series Blood Bank Monitoring System and Independent Temperature Controller Horizon Series blood bank refrigerators are equipped with the Horizon monitoring system and independent temperature controller.

  • Page 13: Horizon Series Laboratory Monitoring And Control System

    General Information 3.2.3 Horizon Series Laboratory Monitoring and Control System NOTE This section applies to HPR, HLR, and HHB models. Horizon Series laboratory and pharmacy refrigerators, and international Horizon Series blood bank refrigerators are equipped with the laboratory monitor and temperature controller. The combined laboratory system controls chamber temperature and monitors and displays operational information.

  • Page 14: Fill Temperature Probe Bottle

    General Information 3.3.1 Fill Temperature Probe Bottle NOTICE Temperature probes are fragile; handle with care. Remove all probes from bottle and remove bottle from bracket. Remove cap and fill with approximately 4 oz. (120 mL) of product simulation solution. Install cap and place bottle in bracket. Replace probes, immersing at least 2” (50 mm) in solution. 3.3.2 Install Additional Probe Through Top Port Peel back putty to expose port.

  • Page 15: Chart Recorder Access

    General Information 3.5.1 Chart Recorder Access ► iB, iLR, iPR models (except 111): Open door by pressing and releasing it. ► HB, iHB, HHB, HLR, HPR models (and all 111 models): Pull door open. iB, iLR, and iPR chart HB, iHB, HHB, HLR, recorder door.

  • Page 16: Alarm Reference

    General Information Alarm Reference If an alarm condition is met, an alarm activates. Some alarms are visual only; others are visual and audible. Some alarms are sent through the remote alarm interface. The table indicates if an alarm is audible (A), visual (V), or sent through the remote alarm interface (R). Alarm Type Alarm iB, iHB, iLR, iPR...

  • Page 17: Warranty

    ► Horizon Series model compressor warranty period is five (5) years. 6.1.3 Parts For a period of two (2) years, Helmer will supply at no charge, including freight, any part that fails due to defects in material or workmanship under normal use, with the exception of expendable items. Expendable items such as glass, filters, light bulbs, and door gaskets are excluded from this warranty coverage. Inspection of defective parts by Helmer will be final in determining warranty status. Warranty...

  • Page 18: Outside Of Usa And Canada

    LIMITATION DAMAGES RELATED TO LOST REVENUES OR PROFITS, OR LOSS OF PRODUCTS. This warranty does not cover damages caused in transit, during installation by accident, misuse, fire, flood, or acts of God. Further, this warranty will not be valid if Helmer determines that the failure was caused by a lack of performing recommended equipment maintenance (per Helmer manual) or by using the product in a manner other than for its intended use.

  • Page 19: Section Ii: I.series ® - All Models

    i.Series® - All Models Section II: i.Series - All Models ® NOTE This section applies to iB, iPR, iLR, and iHB models. Product Configuration Install Battery for Backup Power The monitoring system and chart recorder each have a battery system, enabling a period of continuous operation if power is lost.

  • Page 20: External Monitoring Devices

    i.Series® - All Models External Monitoring Devices CAUTION ► The interface on the remote alarm monitoring system is intended for connection to the end user’s central alarm system(s) that uses normally-open or normally-closed dry contacts. ► If an external power supply exceeding 30 V (RMS) or 60 V (DC) is connected to the remote alarm monitoring system’s circuit, the remote alarm will not function properly;...

  • Page 21: Move Drawers, Shelves, And Baskets

    i.Series® - All Models Move Drawers, Shelves, and Baskets Storage features. CAUTION ► Keep hands away from pinch points when closing the door. ► Before moving drawers, ensure they are completely empty for safe lifting. ► Maximum basket, drawer, or shelf load is 100 lbs (46 kg). NOTICE Before moving storage components, protect stored items in refrigerator from extended exposure to adverse temperature.

  • Page 22: Drawer Labels

    Insert front brackets into standard at appropriate height. Tap front brackets downward to engage standards. Using a screwdriver, install front bracket retainers. Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks. 360077-1/O...

  • Page 23: Temperature Monitor Settings

    i.Series® - All Models Temperature Monitor Settings Home Screen The HOME screen appears when: ► The HOME button is pressed from any other screen ► There is no interaction for two minutes on any screen other than those used to enter a password HOME screen on the monitoring system.

  • Page 24: Main Screen

    ► View the setting for the temperature graph display ► View the settings for temperature and time alarms Product/Company Information ► View the software versions for control and display components of the monitoring system ► View information to contact Helmer i.Help ► Access the on-board help system 360077-1/O...

  • Page 25: Temperature Graph

    i.Series® - All Models Temperature Graph The Temperature Graph screen appears when: ► The Temperature Graph feature is enabled ► There is no interaction for one minute on any screen ► There are no active alarms NOTE: While there is power to the monitoring system, data from the chamber temperature probe is collected real-time, and the past 24 hours of collected data is stored and displayed.

  • Page 26: Change Configuration Password

    i.Series® - All Models 8.4 Change Configuration Password The default password is 1234. A new password must use four digits, ranging from 1 to 5. Change the password: On the HOME screen, press the MAIN button. Press the DOWN button to select Edit Configuration. Press the SELECT button. Enter the password when prompted. Press the DOWN button to select Change Password.

  • Page 27: Factory Default Settings

    i.Series® - All Models Press the DOWN button to highlight Store Calibration. To save the new value, press the ENTER button. The “Calibration Memorized” message appears. New settings are saved. To discard the new value, press the BACK button or HOME button to exit. New settings are not saved.

  • Page 28: Alarm Settings

    i.Series® - All Models Alarm Settings The following alarm settings may be changed by the operator. The setpoint for temperature alarms may be changed (where applicable), as well as the time delay between when the alarm condition commences and when the visual and audible alarms are initiated. 8.8.1 Alarm Volume The alarm volume can be changed.

  • Page 29: Low Chamber Temperature Alarm

    ► Default setpoint is 50 °C ► Setpoint can be changed from -40 °C to +80 °C NOTICE Condenser Temperature Alarm should not be changed unless directed by Helmer Technical Service. Change the setpoint: Press the MAIN button.

  • Page 30: Power Failure Alarm

    i.Series® - All Models Enter the password when prompted. Press the DOWN button to highlight Alarm Setpoints. Press the SELECT button. Press the DOWN button to highlight Door Ajar Timeout. Press the INC or DEC buttons to change the setting. Press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit.

  • Page 31: Test Alarms

    i.Series® - All Models Test Alarms Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, compressor temperature, door open (time), no battery, and power failure. NOTICE Before testing alarms, protect items in the refrigerator from extended exposure to adverse temperature.

  • Page 32: Manual Chamber Alarm Test

    i.Series® - All Models Cancel the test: Press the MAIN button. Press the DOWN button to select System Alarm Test & Status. Press the SELECT button. ► The System Alarm Test & Status screen appears. Press the DOWN button to select Cancel High or Low Test. Press the ENTER button. ► The test is cancelled.

  • Page 33: Power Failure Alarm Test

    i.Series® - All Models 8.9.3 Power Failure Alarm Test NOTE ► During a power failure, the power failure alarm activates and the batteries provide power to the monitoring system. ► If AC power fails, the backup batteries will allow for continued data collection and temperature display.

  • Page 34: Additional System Settings

    Ensure the monitoring system backup batteries are installed. Remove one battery from the monitoring system backup battery holder. If the no battery alarm activates, no further action is needed. Reinstall the battery. If the no battery alarm does not activate, contact Helmer Technical Service. NOTICE When installing replacement batteries, use only batteries which meet the specifications outlined in chapter 10.7 (Supplies).

  • Page 35: Temperature Units

    i.Series® - All Models Set the display language on power-on: Connect the refrigerator to AC power. Install the monitoring system battery that is included in the accessory package. ► The refrigerator powers on and the i.Center will display the System Options screen. Press the INC or DEC buttons to select the desired language.

  • Page 36: Event Log

    i.Series® - All Models 8.11 Event Log The Event Log shows information from alarm events. ► 50 (most recent) events can be viewed on the Event Log screen. ► Number of door openings for the current and previous day can be viewed. View the event log: Press the MAIN button.

  • Page 37: Event Details

    If the event is highlighted the alarm for that event was caused by a system self-test, initiated by an operator. 8.12 Upgrade System Firmware Helmer may occasionally issue updates for the i.Center firmware. Follow upgrade instructions included with the firmware update. 8.13 Reset the i.Center Monitoring System Remove 1 battery from the monitoring system backup battery holder.

  • Page 38: View Manufacturer And Product Information

    View or change parameter values: NOTICE Changing parameter values affects refrigerator operation. Do not change parameter values unless instructed by Helmer Technical Service. NOTE ► To change the value for a parameter, first enter the program mode for that level. ► When there is no interaction for 60 seconds, the temperature controller exits program mode.

  • Page 39: Level 1 Parameters And Values

    i.Series® - All Models Access Level 4 parameters: Navigate to Level 3 program mode. Select the “UEr” parameter. Press and hold the UP and DOWN buttons simultaneously for approximately 10 seconds. The “LOCK” parameter flashes on the display. Exit program mode: Press and hold the UP and DOWN arrow buttons simultaneously for approximately three seconds, or the current chamber temperature is displayed.

  • Page 40: Level 2 Parameters And Values

    i.Series® - All Models Level 2 Parameters and Values Parameter Description Default Value Display of SP1 output power percentage (read-only) (read only) Selection for manual control of power for SP1 SP1 power limit percentage SP2 power limit percentage (cooling) Main SP2 operating mode (alarm strategy) nonE Subsidiary SP2 mode nonE...

  • Page 41: Level 4 Parameters And Values

    NOTICE ► Do not change the setpoint to a value outside the temperature control range. ► Parameter values are factory-preset and should not be changed unless directed by Helmer Technical Service. NOTE ► Default setpoint varies for each refrigerator. ► Setpoint is adjusted to achieve an average chamber temperature of 4.0 °C.

  • Page 42: Change The Hysteresis Value

    ► Default setpoint for iB and iHB models is 4.0 °C ► Default setpoint for iLR111 and iPR111 models is 1.5 °C ► Allowable temperature variance on each side of the refrigerator setpoint NOTICE Hysteresis is factory-preset and should not be changed unless directed by Helmer Technical Service. Maintenance NOTICE ► Before performing maintenance, protect items in refrigerator from extended exposure...

  • Page 43: Test Monitoring System Backup Batteries

    i.Series® - All Models Add refrigerant. Check the pressure on the low side. ► Low side = 16 psi to 18 psi (110 kPa to 125 kPa) Remove pressure gauge. 10.2 Test Monitoring System Backup Batteries The i.Center monitoring system has visual indicators for battery charge level. If the batteries deplete to a particular voltage output, a flashing Low Battery alarm is initiated. If the batteries are missing or nearly depleted, the flashing No Battery alarm initiates.

  • Page 44: Interior

    Clean with soft cloth and mild soap and water solution. 10.5.5 Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and glycerin is available from Helmer. Obtain: ► Fresh water-bleach solution (not provided) ► 1:9 ratio of bleach to water ► Bleach is 5% solution of commercial sodium hypochlorite (NaOCl)

  • Page 45: Unit Cooler Cover Removal And Installation

    i.Series® - All Models 10.6 Unit Cooler Cover Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may be damaged. Improper drainage may result in excessive icing and refrigerator’s inability to maintain temperature. Required tools: ► 5/16”...

  • Page 46: Install The Unit Cooler Cover

    i.Series® - All Models 10.6.2 Install the Unit Cooler Cover Verify unit cooler wiring is connected and routed correctly. Wiring should be routed above copper tube inside the unit cooler. Reconnect wires if they have separated. Attach unit cooler cover. Lift unit cooler cover into place.

  • Page 47: Troubleshooting

    i.Series® - All Models Troubleshooting CAUTION ► Review all safety instructions prior to troubleshooting. Refer to chapter 2 (Safety). ► Troubleshooting should only be performed by trained refrigeration technicians. 11.1 General Operation Problems Problem Possible Cause Action Drawer or basket Drawer slide is faulty.

  • Page 48: Chamber Temperature Problems

    Calibrate the probe if necessary. Digital electronics are ► Reset the monitoring system. locked because of an interruption in power. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Chamber temperature Compressor starting ► Confirm the relay is operating correctly. Replace does not stabilize relay is faulty.

  • Page 49: Alarm Activation Problems

    5 minutes, change the MUTE timer value to 5 minutes and wait until the timer resets. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Control board is faulty. ► Replace control parts with those that are included...
  • Page 50 ► Check the setpoint. Change the setpoint if alarm setpoint is set necessary. too low. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Refrigerator is Outlet connection is ► Verify power at the outlet. Repair the original connected to power, faulty.
  • Page 51 Alarm system is faulty. ► Confirm the circuit board and line connections are activating sporadically. functioning correctly. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Control board is faulty. ► Replace control parts with those that are included in the control and display board kit.

  • Page 52: Testing Problems

    0.21 A to 0.35 A. Humid air is entering ► Confirm the refrigerator is level, and the doors are the chamber. aligned, closing tightly, and sealing correctly. ► Contact Helmer Technical Service to correct issues as necessary. Excessive water in the Humid air is entering ► Confirm the refrigerator is level, and the doors chamber.

  • Page 53: Parts

    i.Series® - All Models Parts NOTICE ► Before replacing parts, protect items in refrigerator from extended exposure to adverse temperature. ► Allow refrigerator temperature to stabilize at setpoint after replacing parts or after extended door opening. 12.1 Front Schematic Label Description Part Number Label...

  • Page 54: Display

    The i.Center display assembly is sensitive to static electricity and can be damaged by electrostatic discharge. Use proper ESD precautions when handling the display assembly. NOTE Although the LCD display and touchpad may be replaced individually, Helmer recommends replacing the entire display assembly. 360077-1/O...

  • Page 55: Top

    - All Models 12.2 Top features. Schematic Label Description Part Number Label Monitoring backup batteries 715031 Condenser probe 400674-1 (probe with connector) Compressor unit Contact Helmer Condensing unit fan motor Contact Helmer 360077-1/O...

  • Page 56: Rear

    i.Series® - All Models 12.3 Rear Rear features. Schematic Label Description Part Number Label Electrical box Refer to subsequent section(s) for part numbers Circuit breaker, 6 A Single-door 230 V models: 120429 Circuit breaker, 7 A Double-door 230 V models: 120428 Condensate evaporator kit 115 V: (Includes the condensate...

  • Page 57: Electrical Box

    i.Series® - All Models 12.3.1 Electrical Box Electrical box features (iLR120 model shown). Schematic Label Description Part Number Label Temperature controller iB models: 400422-1 (programmed) iLR111 and iPR111 models: 400422-2 iLR and iPR 120, 125, 245, and 256 models: 400422-1 Compressor relay 120426 Power line filter...

  • Page 58: Interior

    i.Series® - All Models 12.4 Interior Interior features. Schematic Label Description Part Number Label Chart recorder probe 400855-1 Upper chamber probe 400510-1 Probe bottle and glycerin kit 400922-1 Lower chamber probe 800117-1 (except 111 model) Unit cooler Refer to subsequent section(s) for part numbers Door switch 120380...

  • Page 59: Lighting

    i.Series® - All Models 12.4.1 Lighting CAUTION Disconnect refrigerator from power when replacing lamps. Light features. Schematic Label Description Part Number Label Light assembly (models with stainless steel 115 V: 400508-1 interior) 230 V: 400508-2 Light assembly (models with powder-coated 115 V: 400507-2 interior) 230 V: 400507-1...

  • Page 60: Unit Cooler

    i.Series® - All Models 12.4.2 Unit Cooler Left: Unit cooler (single-door model shown). Center and right: Unit cooler parts. Schematic Label Description Part Number Label 115 V Unit cooler fan motor 111 models: 120540 120 and 125 models: 120411 245 and 256 models (one fan): 120587 245 and 256 models (two fans): 120410 230 V 111 models: 120560...

  • Page 61: Storage

    i.Series® - All Models 12.4.3 Storage Storage features. Label Description Part Number Half shelf (includes hardware) 120, 125, 245, 256 models: 400413-1 Full shelf (includes hardware) 111 models: 400414-3 120 and 245 models: 400414-1 125 and 256 models: 400414-2 Roll out basket assembly (includes 2 111 models: 400751-1 slides, and hardware) 120 and 245 models: 400415-1...

  • Page 62: Door And Hinge

    i.Series® - All Models 12.4.4 Door and Hinge Door and hinge parts. Label Description Part Number Door lock 220374 Door handle pad 320684-1 Hinge bearing 220375 Upper hinge bracket Right hinge: 400376-1 Left hinge: 400376-2 Door gasket 111 models: 321082-1 120, 125, 245, and 256 models: 320726-1 Hinge cam 320742-1...

  • Page 63: Schematics

    i.Series® - All Models Schematics 13.1 iB and iHB Models; 11, 20, 25, 45, 56 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART TERMINAL STRIPS CORD...

  • Page 64: Ilr, Ipr Models; 11 Cubic Feet

    i.Series® - All Models 13.2 iLR, iPR Models; 11 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART TERMINAL STRIPS CORD RECORDER 1 DEFROST TIMER 1 DEFROST TIMER PROBE...

  • Page 65: Ilr And Ipr Models; 20, 25, 45, And 56 Cubic Feet

    i.Series® - All Models 13.3 iLR and iPR Models; 20, 25, 45, and 56 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART TERMINAL STRIPS CORD RECORDER...

  • Page 66: 14 I.center Screen Reference

    i.Series® - All Models i.Center Screen Reference HOME screen MAIN button MAIN screen MUTE button (changes mute timer) LIGHT button (turns light on or off) MAIN screen Event Log option (Press the SELECT button) EVENT LOG screen System Alarm Test & Status option SYSTEM ALARM TEST &...
  • Page 67 i.Series® - All Models SYSTEM OPTIONS screen Language option Date Format option Alarm Volume option Alarm Pulse option Temperature Units option Chart Paper Timer option SET ALARM SETPOINT screen High Alarm Setpoint option Low Alarm Setpoint option Cond. Alarm Setpoint option Door Ajar Timeout option Power Failure Timeout option Temperature Graph option...

  • Page 68: Section Iii: Horizon Series™ - Blood Bank Models

    Horizon Series™ - Blood Bank Models Section III: Horizon Series™ - Blood Bank Models NOTE This section applies to HB models. Product Configuration 15.1 Install Battery for Backup Power The monitoring system has a battery system, enabling a period of continuous operation if power is lost. NOTE The monitoring system will not start on battery power alone.

  • Page 69: External Monitoring Devices

    Horizon Series™ - Blood Bank Models 15.2 External Monitoring Devices CAUTION ► The interface on the remote alarm monitoring system is intended for connection to the end user’s central alarm system(s) that uses normally-open or normally-closed dry contacts. ► If an external power supply exceeding 30 V (RMS) or 60 V (DC) is connected to the remote alarm monitoring system’s circuit, the remote alarm will not function properly;...

  • Page 70: Move Drawers, Shelves, And Baskets

    Horizon Series™ - Blood Bank Models 15.3 Move Drawers, Shelves, and Baskets Storage features. CAUTION ► Keep hands away from pinch points when closing the door. ► Before moving drawers, ensure they are completely empty for safe lifting. ► Maximum basket, drawer, or shelf load is 100 lbs (46 kg). NOTICE Before moving storage components, protect stored items in refrigerator from extended exposure to adverse temperature.

  • Page 71: Move Slides And Brackets

    Tap front brackets downward to engage standards. Using a screwdriver, install front bracket retainers. 15.5 Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks. Temperature Monitor Settings 16.1...

  • Page 72: Home Screen Functions

    ► View the setting for the chart paper timer ► View the settings for temperature and time alarms Product/Company Information ► View the software versions for control and display components of the monitoring system ► View information to contact Helmer 360077-1/O...

  • Page 73: Change Configuration Password

    Horizon Series™ - Blood Bank Models 16.3 Change Configuration Password The default password is 1234. A new password must use four digits, ranging from 1 to 5. Change the password: On the HOME screen, press the MAIN button. Press the DOWN button to select Edit Configuration. Press the SELECT button. Enter the password when prompted.

  • Page 74: Factory Default Settings

    Horizon Series™ - Blood Bank Models Press the DOWN button to highlight Store Calibration. To save the new value, press the ENTER button. The “Calibration Memorized” message appears. New settings are saved. To discard the new value, press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit.

  • Page 75: Alarm Settings

    Horizon Series™ - Blood Bank Models 16.7 Alarm Settings The following alarm settings may be changed by the operator. The setpoint for temperature alarms may be changed (where applicable), as well as the time delay between when the alarm condition commences and when the visual and audible alarms are initiated.

  • Page 76: Low Chamber Temperature Alarm

    Horizon Series™ - Blood Bank Models Press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit. The new settings are saved. 16.7.4 Low Chamber Temperature Alarm The Low Alarm setpoint specifies the temperature at which the Low Temperature Alarm activates. If the temperature detected by the chamber probe is less than or equal to this value, the alarm activates. ► Default setpoint is 1.5 °C ► Setpoint can be changed from -40 °C to +40 °C Change the setpoint:...

  • Page 77: Chart Paper Alarm

    Horizon Series™ - Blood Bank Models Press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit. The new settings are saved. 16.7.7 Chart Paper Alarm The default setting for the chart paper timer is Enabled. One sheet of chart paper records temperatures continuously for seven days. The timer activates an alarm 6.5 days from when the timer is reset. The timer period cannot be changed.

  • Page 78: Test Alarms

    Horizon Series™ - Blood Bank Models 16.8 Test Alarms Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, compressor temperature, door open (time), no battery, and power failure. NOTICE Before testing alarms, protect items in the refrigerator from extended exposure to adverse temperature.

  • Page 79: Power Failure Alarm Test

    Horizon Series™ - Blood Bank Models 16.8.2 Power Failure Alarm Test NOTE ► During a power failure, the power failure alarm activates and the batteries provide power to the monitoring system. ► If AC power fails, the backup batteries will allow for continued temperature display. ► If the backup batteries fail, the temperature is not displayed.

  • Page 80: Additional System Settings

    Horizon Series monitoring system prior to shipment. To obtain a flash memory card to load an alternate language, contact Helmer Technical Service. NOTE Each time the refrigerator is powered on, the Horizon Series monitoring system display language must be selected.

  • Page 81: Temperature Units

    Press the INC or DEC buttons to select the desired temperature units. Press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit. The new setting is saved. 16.10 Upgrade System Firmware Helmer may occasionally issue updates for the Horizon Series monitoring system firmware. Follow upgrade instructions included with the firmware update. 16.11 Reset the Horizon Series Monitoring System Remove 1 battery from the monitoring system backup battery holder.

  • Page 82: Temperature Controller Setpoints

    View or change parameter values: NOTICE Changing parameter values affects refrigerator operation. Do not change parameter values unless instructed by Helmer Technical Service. NOTE ► To change the value for a parameter, first enter the program mode for that level. ► When there is no interaction for 60 seconds, the temperature controller exits program mode.

  • Page 83: Level 1 Parameters And Values

    Horizon Series™ - Blood Bank Models 17.1 Level 1 Parameters and Values NOTE ► Parameters are listed in order of appearance. ► The temperature controller is programmed at the factory with a refrigerator setpoint of 4.0 °C. Parameter Description Default Value Autotune selection SP1 proportional band (gain) or hysteresis (in °C) SP1 integral time/reset (in minutes)

  • Page 84: Level 2 Parameters And Values

    Horizon Series™ - Blood Bank Models 17.2 Level 2 Parameters and Values Parameter Description Default Value Display of SP1 output power percentage (read-only) (read only) Selection for manual control of power for SP1 SP1 power limit percentage SP2 power limit percentage (cooling) Main SP2 operating mode (alarm strategy) nonE Subsidiary SP2 mode...

  • Page 85: Level 4 Parameters And Values

    NOTICE ► Do not change the setpoint to a value outside the temperature control range. ► Parameter values are factory-preset and should not be changed unless directed by Helmer Technical Service. NOTE ► Default setpoint varies for each refrigerator. ► Setpoint is adjusted to achieve an average chamber temperature of 4.0 °C.

  • Page 86: Change The Hysteresis Value

    Change the Hysteresis Value ► Default setpoint for is 4.0 °C ► Allowable temperature variance on each side of the refrigerator setpoint NOTICE Hysteresis is factory-preset and should not be changed unless directed by Helmer Technical Service. Maintenance NOTICE ► Before performing maintenance, protect items in refrigerator from extended exposure to adverse temperature.

  • Page 87: Test Monitoring System Backup Batteries

    Horizon Series™ - Blood Bank Models 18.2 Test Monitoring System Backup Batteries The Horizon Series monitoring system does not have visual indicators for battery charge level. If the batteries deplete to a particular voltage output, the batteries will not provide power to the monitoring system.

  • Page 88: Unit Cooler Cover Removal And Installation

    Horizon Series™ - Blood Bank Models 18.5.5 Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and glycerin is available from Helmer. Obtain: ► Fresh water-bleach solution (not provided) ► 1:9 ratio of bleach to water ► Bleach is 5% solution of commercial sodium hypochlorite (NaOCl) ► Equivalent oxidizing cleaner/disinfectant approved by your organization may be substituted...

  • Page 89: Remove The Unit Cooler Cover

    Horizon Series™ - Blood Bank Models 18.6.1 Remove the Unit Cooler Cover WARNING Disconnect the refrigerator from AC power when removing the unit cooler. CAUTION The condensate evaporator and water evaporation tray are hot. Disconnect the refrigerator from AC power. Remove one battery from the monitoring system backup battery holder.

  • Page 90: Troubleshooting

    Horizon Series™ - Blood Bank Models Troubleshooting CAUTION ► Review all safety instructions prior to troubleshooting. Refer to chapter 2 (Safety). ► Troubleshooting should only be performed by trained refrigeration technicians. 19.1 General Operation Problems Problem Possible Cause Action Drawer or basket Drawer slide is faulty.

  • Page 91: Chamber Temperature Problems

    Calibrate the probe if necessary. ► Reset the monitoring system. Digital electronics are locked because of an interruption in power. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Chamber temperature Compressor starting ► Confirm the relay is operating correctly. Replace does not stabilize relay is faulty.

  • Page 92: Alarm Activation Problems

    MUTE timer is greater than 5 minutes, change the MUTE timer value to 5 minutes and wait until the timer resets. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Refrigerator meets an Control board is faulty.
  • Page 93 ► Check the setpoint. Change the setpoint if alarm setpoint is set necessary. too low. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Refrigerator is Outlet connection is ► Verify power at the outlet. Repair the original connected to power, faulty.

  • Page 94: Condensation Problems

    0.21 A to 0.35 A. Humid air is entering ► Confirm the refrigerator is level, and the doors are the chamber. aligned, closing tightly, and sealing correctly. ► Contact Helmer Technical Service to correct issues as necessary. Excessive water in the Humid air is entering ► Confirm the refrigerator is level, and the doors chamber.

  • Page 95: Parts

    Front features. Schematic Label Description Part Number Label Bezel with chart recorder door Contact Helmer Technical Service Chart recorder door Contact Helmer Technical Service Horizon Series display Refer to subsequent section(s) for part numbers Chart recorder and chart 111 model: 400409-2...

  • Page 96: Horizon Display

    The Horizon display assembly is sensitive to static electricity and can be damaged by electrostatic discharge. Use proper ESD precautions when handling the display assembly. NOTE Although the LCD display and touchpad may be replaced individually, Helmer recommends replacing the entire display assembly. 360077-1/O...

  • Page 97: Top

    Horizon Series™ - Blood Bank Models 20.2 Top features. Schematic Label Description Part Number Label Monitoring system backup batteries 715031 Compressor unit Contact Helmer Technical Service Condensing unit fan motor Contact Helmer Technical Service 360077-1/O...

  • Page 98: Rear

    Horizon Series™ - Blood Bank Models 20.3 Rear Rear features. Schematic Label Description Part Number Label Electrical box Refer to subsequent section(s) for part numbers Circuit breaker, 6 A Single-door 230 V models: 120429 Circuit breaker, 7 A Double-door 230 V models: 120428 Condensate evaporator kit 115 V: (Includes the condensate...

  • Page 99: Electrical Box

    Horizon Series™ - Blood Bank Models 20.3.1 Electrical Box Electrical box features. Schematic Label Description Part Number Label Temperature controller 400422-1 (programmed) Compressor relay 120426 Power line filter 120400 Alarm buzzer 120457 Control board Included in the control and display board kit Power supply board 400633-1 Control and display board kit...

  • Page 100: Interior

    Horizon Series™ - Blood Bank Models 20.4 Interior Interior features. Schematic Label Description Part Number Label Chart recorder probe 400855-1 Chamber probe 800117-1 Probe bottle and glycerin kit 400922-1 Unit cooler Refer to subsequent section(s) for part numbers Door switch 120380 Door Refer to subsequent section(s) for part...

  • Page 101: Lighting

    Horizon Series™ - Blood Bank Models 20.4.1 Lighting Light features. Schematic Label Description Part Number Label Light assembly (models with stainless 115 V: 400508-1 steel interior) 230 V: 400508-2 Light assembly (models with powder- 115 V: 400507-2 coated interior) 230 V: 400507-1 Light bulb 120409 shown...

  • Page 102: Storage

    Horizon Series™ - Blood Bank Models 20.4.3 Storage Storage features. Label Description Part Number Half shelf (includes hardware) 120, 125, 245, 256 models: 400413-1 Full shelf (includes hardware) 111 models: 400414-3 120 and 245 models: 400414-1 125 and 256 models: 400414-2 Roll out basket assembly (includes 2 111 models: 400751-1 slides, and hardware)

  • Page 103: Door And Hinge

    Horizon Series™ - Blood Bank Models 20.4.4 Door and Hinge Door and hinge parts. Label Description Part Number Door lock 220374 Door handle pad 320684-1 Hinge bearing 220375 Upper hinge bracket Right hinge: 400376-1 Left hinge: 400376-2 Door gasket 111 models: 321082-1 120, 125, 245, and 256 models: 320726-1 Hinge cam 320742-1...

  • Page 104: Schematics

    Horizon Series™ - Blood Bank Models Schematics 21.1 HB Models; 11, 20, 25, 45, 56 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz (AI) CHART POWER TERMINAL STRIPS CORD...

  • Page 105: Horizon Series Screen Reference

    Horizon Series™ - Blood Bank Models Horizon Series Screen Reference HOME screen MAIN button MAIN screen MUTE button (changes mute timer) LIGHT button (turns light on or off) MAIN screen Edit Configuration option (Enter the password) CONFIGURATION screen View Configuration option VIEW CONFIGURATION screen Product/Company Information option INFORMATION screen CONFIGURATION screen...
  • Page 106 Horizon Series™ - Blood Bank Models VIEW CONFIGURATION screen Clock Mode display Date Format display Door Ajar Timeout display Pwr Failure Timeout display High Alarm Setpoint display Low Alarm Setpoint display Alarm Volume display Alarm Pulse display Chart Paper Days Left or Chart Paper Timer display 360077-1/O...

  • Page 107: Section Iv: Horizon Series™ - Laboratory, Pharmacy, And International Blood

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models Section IV: Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models NOTE This section applies to HHB, HLR, and HPR models. Product Configuration 23.1 Install Battery for Backup Power The monitoring system has a battery system, enabling a period of continuous operation if power is lost. NOTE The monitoring system will start on battery power alone.

  • Page 108: External Monitoring Devices

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 23.2 External Monitoring Devices CAUTION ► The interface on the remote alarm monitoring system is intended for connection to the end user’s central alarm system(s) that uses normally-open or normally-closed dry contacts.

  • Page 109: Move Drawers, Shelves, And Baskets

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 23.3 Move Drawers, Shelves, and Baskets Storage features. CAUTION ► Keep hands away from pinch points when closing the door. ► Before moving drawers, ensure they are completely empty for safe lifting. ► Maximum basket, drawer, or shelf load is 100 lbs (46 kg).

  • Page 110: Move Slides And Brackets

    Using a screwdriver, install front bracket retainers. 23.5 Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks. Settings Through the Laboratory combined monitor and controller, current settings may be viewed and changed.

  • Page 111: Monitor And Controller Interface

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 24.1 Monitor and Controller Interface Label Description Function COOL lamp Indicates the compressor is running. Display Displays real-time temperature information, setpoints, and alarms. HIGH TEMP lamp Indicates when the refrigerator is in a high temperature alarm condition. Also indicates high alarm temperature setpoint is being changed.

  • Page 112: Refrigerator Setpoint

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 24.2 Refrigerator Setpoint NOTE Default setpoint is 4.0 °C. Change the setpoint if: ► Your organization requires a chamber temperature other than 4.0 °C. ► The normal chamber temperature is too high or low (after completing preventive maintenance and applicable troubleshooting tasks).

  • Page 113: High Temperature Alarm

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 24.3.1 High Temperature Alarm ► Specifies the temperature at which the High Temperature Alarm activates. ► Default setpoint is 5.5 °C. ► Setpoint can be changed from -40.0 °C to +25.0 °C. Change the setpoint: Hold Up Arrow and Down Arrow for three seconds. MONITOR lamp will flash to indicate entry into program mode.

  • Page 114: Monitor Offset

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 24.4.1 Monitor Offset ► Adjust if temperature displayed on the monitor does not match measured chamber temperature. ► Value is factory-set to match an independent thermometer. ► Value can be changed from -10.0 °C to +10.0 °C. NOTE ► If the variance is within acceptable limits, changing the offset value is optional.

  • Page 115: Control Sensor Offset

    ► Default setpoint for HLR/HPR 120, 125, 245, 256 models, and all HHB models is 2.0 °C. ► Allowable temperature variance on each side of the refrigerator setpoint. NOTICE Hysteresis is factory-preset and should not be changed unless directed by Helmer Technical Service. 24.5 Test Alarms Test alarms to ensure they are working correctly.

  • Page 116: Power Failure Alarm

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 24.5.2 Power Failure Alarm Disconnect the refrigerator from AC power. Audible power failure alarm will activate immediately and “PoFF” (power off) will appear on the display. Reconnect the refrigerator to AC power. Audible power failure alarm will cease and “PoFF” will clear from the display.

  • Page 117: Maintenance

    Voltage Initial Charge 7.5 oz. (213 g) 120/125 Any 10.0 oz. (283 g) 115 V, 60 Hz Contact Helmer Technical Service 245/256 230 V, 50/60 Hz 20.0 oz. (567 g) Obtain: ► Refrigerant ► Calibrated pressure gauge (0 psi to 25 psi (0 kPa to 175 kPa)) Add refrigerant: Attach pressure gauge to the fittings on the refrigeration lines.

  • Page 118: Test Monitoring System Backup Batteries

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 25.2 Test Monitoring System Backup Battery The monitoring system does not indicate the charge level of the battery. Regularly test the battery. Replace battery if the test fails or if the battery has been in use for one year. Test backup battery: Disconnect the refrigerator from AC power.

  • Page 119: Unit Cooler Cover Removal And Installation

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 25.5.5 Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and glycerin is available from Helmer. Obtain: ► Fresh water-bleach solution (not provided) ► 1:9 ratio of bleach to water ► Bleach is 5% solution of commercial sodium hypochlorite (NaOCl)

  • Page 120: Remove The Unit Cooler Cover

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 25.6.1 Remove the Unit Cooler Cover WARNING Disconnect the refrigerator from AC power when removing the unit cooler. CAUTION The condensate evaporator and water evaporation tray are hot. Disconnect the refrigerator from AC power. Remove one battery from the monitoring system backup battery holder.

  • Page 121: Troubleshooting

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models Troubleshooting CAUTION ► Review all safety instructions prior to troubleshooting. Refer to chapter 2 (Safety). ► Troubleshooting should only be performed by trained refrigeration technicians. 26.1 General Operation Problems Problem Possible Cause Action Drawer or basket...

  • Page 122: Chamber Temperature Problems

    Secure the connection or replace the chamber temperature loose. probe if necessary. is set correctly. ► Contact Helmer Technical Service. A component is faulty or internal connections are loose. Chamber temperature Compressor starting ► Confirm the relay is operating correctly. Replace does not stabilize relay is faulty.

  • Page 123: Alarm Activation Problems

    Alarm buzzer is faulty. ► Replace the alarm buzzer. Audible alarms have ► Verify audible alarms are not muted. been muted. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Refrigerator meets an Monitor/control board ► Replace the monitor/control board.
  • Page 124 ► Check the setpoint. Change the setpoint if alarm setpoint is set necessary. too low. A component is ► Contact Helmer Technical Service. faulty or internal connections are loose. Refrigerator is Outlet connection is ► Verify power at the outlet. Repair the original connected to power, faulty.

  • Page 125: Condensation Problems

    0.21 A to 0.35 A. Humid air is entering ► Confirm the refrigerator is level, and the doors are the chamber. aligned, closing tightly, and sealing correctly. ► Contact Helmer Technical Service to correct issues as necessary. Excessive water in the Humid air is entering ► Confirm the refrigerator is level, and the doors chamber.

  • Page 126: Parts

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models Parts NOTICE ► Before replacing parts, protect items in refrigerator from extended exposure to adverse temperature. ► Allow refrigerator temperature to stabilize at setpoint after replacing parts or after extended door opening. 27.1 Front Front features.

  • Page 127: Laboratory Display

    Left: Laboratory display with touchpad. Right: Rear view of display showing monitor/control board. Schematic Label Description Part Number Label Touchpad 320770-1 Light switch 120202 Monitor/control board 120402 27.2 Top features. Schematic Label Description Part Number Label Monitoring system backup battery 120399 Compressor unit Contact Helmer Condensing unit fan motor Contact Helmer 360077-1/O...

  • Page 128: Rear

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.3 Rear Rear features. Schematic Label Description Part Number Label Electrical box Refer to subsequent section(s) for part numbers Circuit breaker, 6 A Single-door 230 V models: 120429 Circuit breaker, 7 A Double-door 230 V models: 120428 Condensate evaporator kit 115 V:...

  • Page 129: Electrical Box

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.3.1 Electrical Box Electrical box features (HHB120 model shown). Schematic Label Description Part Number Label Compressor relay 120426 Power line filter 120400 Alarm buzzer 120160 Defrost timer (HLR and HPR models) 111 models: 120556 shown 120, 125, 245,256 models: 800127-1 360077-1/O...

  • Page 130: Interior

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.4 Interior Interior features. Schematic Label Description Part Number Label Chart recorder probe 400855-1 Chamber probe HB model: 401096-1 HPR, HLR, and HHB models: 400512-1 Probe bottle and glycerin kit 400922-1 Unit cooler Refer to subsequent section(s) for part...

  • Page 131: Lighting

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.4.1 Lighting Light features. Schematic Label Description Part Number Label Light assembly (models with stainless 115 V: 400508-1 steel interior) 230 V: 400508-2 Light assembly (models with powder- 115 V: 400507-2 coated interior) 230 V: 400507-1 Light bulb...

  • Page 132: Storage

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.4.3 Storage Storage features. Label Description Part Number Half shelf (includes hardware) 120, 125, 245, 256 models: 400413-1 Full shelf (includes hardware) 111 models: 400414-3 120 and 245 models: 400414-1 125 and 256 models: 400414-2 Roll out basket assembly (includes 2 111 models: 400751-1...

  • Page 133: Door And Hinge

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 27.4.4 Door and Hinge Door and hinge parts. Label Description Part Number Door lock 220374 Door handle pad 320684-1 Hinge bearing 220375 Upper hinge bracket Right hinge: 400376-1 Left hinge: 400376-2 Door gasket 111 models: 321082-1 120, 125, 245, and 256 models: 320726-1...

  • Page 134: Schematics

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models Schematics 28.1 HLR and HPR Models; 11 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART TERMINAL STRIPS...

  • Page 135: Hlr And Hpr Models; 20, 25, 45, 56 Cubic Feet

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 28.2 HLR and HPR Models; 20, 25, 45, 56 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART...

  • Page 136: Hhb Models; 11, 20, 25, 45, 56 Cubic Feet

    Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models 28.3 HHB Models; 11, 20, 25, 45, 56 Cubic Feet MAIN POWER 115 (±10%) V 60 Hz optional feature 230 (±10%) V 50 Hz (X) CHART RECORDER 230 (±10%) V 60 Hz POWER (AI) CHART...
  • Page 138 HELMER SCIENTIFIC 14400 Bergen Boulevard Noblesville, IN 46060 USA PH +1.317.773.9073 FAX +1.317.773.9082 www.helmerinc.com...

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Ib256(versions a and b)Ihb111Ib120(versions a and b)Ib125(versions a and b)Ib245(versions a and b)(version b) ihb120(versions a and b) ... Show all

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